A software-defined radio can derail a US train by slamming the brakes on remotely

Neil Smith has been trying to get the railroad industry to listen since 2012, but it took a CISA warning to get there
When independent security researcher Neil Smith reported a vulnerability in a comms standard used by trains to the US government in 2012, he most likely didn't expect it would take until 2025 to sort the matter out, but here we are. …